Results 1 to 10 of about 1,525,095 (150)

The Sensitivity of the Marine Carbonate System to Regional Ocean Alkalinity Enhancement [PDF]

Frontiers in Climate, 2021
Ocean Alkalinity Enhancement (OAE) simultaneously mitigates atmospheric concentrations of CO2 and ocean acidification; however, no previous studies have investigated the response of the non-linear marine carbonate system sensitivity to alkalinity ...
Daniel J. Burt, Daniel J. Burt, Friederike Fröb, Tatiana Ilyina   +3 more
doaj   +4 more sources

Assessing the effects of ocean alkalinity enhancement on marine protozoa: physiological dynamics and transcriptomic responses [PDF]

Applied and Environmental Microbiology
Ocean alkalinity enhancement (OAE) is proposed as a potential tool to remove atmospheric CO2 and mitigate climate change. However, the effects of OAE on marine protozoa remain poorly understood.
Zuyuan Gao, Mengwen Pang, Mingjie Li, Yuzhen Ming, Hongbin Liu, Kedong Yin   +5 more
doaj   +4 more sources

One chemistry, many pathways: Comparing carbon-negative cement, enhanced weathering, and ocean alkalinity enhancement [PDF]

iScience
Summary: We compare carbon dioxide removal pathways involving carbon-negative cement and carbonate concrete (CNCm and CNCb), enhanced rock weathering (ERW), and ocean alkalinity enhancement (OAE).
Chin-Hsien Cheng, Sasithorn Chornkrathok, Simon A.T. Redfern   +2 more
doaj   +2 more sources

Tackling the technological, environmental, legal, and economic challenges of ocean alkalinity enhancement: A case study from the Baltic sea [PDF]

iScience
Summary: Ocean alkalinity enhancement (OAE) is a possible climate mitigation technology that can remove CO2 from the atmosphere. Here, we studied the feasibility of OAE in a case study using serpentinite gangue and examined the carbon dioxide removal ...
Anu Lähteenmäki-Uutela, Jáchym Judl, Jari Silander, Sonja Lavikko, Tuukka Mäkelä, Carolin Regina Löscher, Ulf Riebesell, Markus Latvala, Kristian Spilling   +8 more
doaj   +2 more sources

The effect of ocean alkalinity enhancement on pelagic bacterial communities: focus points derived from a mesocosm experiment [PDF]

Frontiers in Microbiomes
Anthropogenic climate change caused by CO2 emissions forces humanity to reduce the usage of fossil fuels. Along with the task of emission reduction, societies face the task of removing excess CO2 from the atmosphere by using negative emission ...
Dominik Antoni, Antje Wichels, Maarten Boersma, Maarten Boersma, Maarten Boersma, Gunnar Gerdts   +5 more
doaj   +2 more sources

Olivine and dissolved alkalinity trigger different bacterial community shifts in water and oyster gills: insights from a mesocosm experiment [PDF]

Frontiers in Microbiomes
Ocean Alkalinity Enhancement (OAE) is a proposed marine carbon dioxide removal strategy that increases seawater buffering capacity and CO2 uptake through the addition of alkaline substances.
Dominik Antoni, Marco Rump, Gunnar Gerdts   +2 more
doaj   +2 more sources

Simulated Impact of Ocean Alkalinity Enhancement on Atmospheric CO2 Removal in the Bering Sea

Earth's Future, 2023
Ocean alkalinity enhancement (OAE) has the potential to mitigate ocean acidification (OA) and induce atmospheric carbon dioxide (CO2) removal (CDR). We evaluate the CDR and OA mitigation impacts of a sustained point‐source OAE of 1.67 × 1010 mol total ...
Hongjie Wang, Darren J. Pilcher, Kelly A. Kearney, Jessica N. Cross, O. Melissa Shugart, Matthew D. Eisaman, Brendan R. Carter   +6 more
doaj   +2 more sources

A novel methodology to characterize the potential impacts of electrochemical ocean alkalinity enhancement on juvenile coho salmon (Oncorhynchus kisutch)

Frontiers in Climate
Ocean alkalinity enhancement (OAE) includes a branch of marine carbon dioxide removal (mCDR) methods that add alkalinity to the surface ocean, leveraging the ocean's vast natural ability to capture and store atmospheric CO2.
Mallory C. Ringham, Matthew P. Galaska, Michelle Knowlen, Michelle Knowlen, Jeremy Loretz, Tyson Minck, Todd Pelman, Nathan Soccorsy, Kyla Westphal, Jay Word, Jay Word   +10 more
doaj   +3 more sources

Alkalinity enhancement with sodium hydroxide in coastal ocean waters [PDF]

Scientific Reports
Carbon Dioxide Removal (CDR) is increasingly recognised as essential for achieving net zero emissions to limit the impacts of climate change. Ocean Alkalinity Enhancement (OAE) presents a potentially scalable marine CDR (mCDR) technique.
Cathryn A. Wynn-Edwards, Wayne D.N. Dillon, John Akl, Craig Neill, Harris J. Anderson, Hui Sheng Lim, Mathieu Mongin, Elizabeth H. Shadwick   +7 more
doaj   +2 more sources

Using magnesium hydroxide for ocean alkalinity enhancement: elucidating the role of formation conditions on material properties and dissolution kinetics

Frontiers in Climate
Mg(OH)2 holds potential as an alkalinity source for Ocean Alkalinity Enhancement (OAE). In this study, Mg(OH)2 was produced via precipitation from the alkalinity exchange of NaOH addition into brine.
Cody Shaw, Mallory C. Ringham, Mallory C. Ringham, Brendan R. Carter, Brendan R. Carter, Brendan R. Carter, Michael D. Tyka, Matthew D. Eisaman, Matthew D. Eisaman   +8 more
doaj   +3 more sources